Variables vs names
ben+python at benfinney.id.au
Sat Aug 25 07:24:29 CEST 2012
Steven D'Aprano <steve+comp.lang.python at pearwood.info> writes:
> On Thu, 23 Aug 2012 14:22:08 -0500, Evan Driscoll wrote:
> > In [the hypothetical language] Python--, any time you use a name,
> > you have to prefix it with the word 'variable':
> > variable x = 4
> > print(variable x)
> > Does Python-- have variables?
> Of course, because that's what Python-- calls them. Whether Python--
> is *justified* in calling them variables is a more interesting
How many legs does a horse have, if you call the tail a leg?
Four. Calling the tail a leg doesn't make it so.
Similarly, I don't care that Python-- uses the term “variable”, it only
has variables if it has things which meet a sensible definition of
“variable”. So no, “because that's what Python-- calls them” is not
> I think it is, in the sense that name bindings are a kind of variable,
> and fixed memory locations are a different kind of variable. But I
> also think that it isn't, for exactly the reasons why I prefer to
> describe Python (without the minuses) as having name bindings rather
> than variables "in the C or Pascal sense".
To emphasise what may not be apparent to some newcomers, Steven and I
are virtually in exact agreement here. We talk more about where we
differ because that's what interests us :-)
\ “In the long run, the utility of all non-Free software |
`\ approaches zero. All non-Free software is a dead end.” —Mark |
_o__) Pilgrim, 2006 |
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